EgtGraphics 1.6b6 :

- migliorata gestione punti notevoli di curve con estrusione
- prima versione di punto End su SurfTM.

Scene.h

@@ -20,6 +20,9 @@
 
 class IGdbIterator ;
 class ICurve ;
+class ICurveComposite ;
+class ISurfTriMesh ;
+class IExtText ;
 class ObjEGrGraphics ;
 
 //----------------------------------------------------------------------------
@@ -83,6 +86,7 @@ class Scene : public IEGrScene
       virtual int  GetFirstSelectedObj( void) ;
       virtual int  GetNextSelectedObj( void) ;
       virtual double GetSelectedObjWinZ( int nSel = - 1) ;
+      virtual double GetSelectedObjMinWinZ( int nSel = - 1) ;
       virtual bool GetPointFromSelect( int nSelId, const Point3d& ptView, Point3d& ptSel) ;
       virtual bool Project( const Point3d& ptWorld, Point3d& ptView) ;
       virtual bool UnProject( const Point3d& ptView, Point3d& ptWorld) ;
@@ -200,12 +204,19 @@ class Scene : public IEGrScene
       bool DrawGeoTria( void) ;
       bool DrawWinRect( void) ;
      // Snap
-      bool GetGridSnapPoint( bool bSketch, const Point3d& ptWin, Point3d& ptSel) ;
-      bool GetSelectedSnapPoint( int nSnap, const Point3d& ptWin, int nW, int nH, Point3d& ptSel) ;
-      bool TestCurveSnapPoints( int nSnap, const Point3d& ptWin, int nId, const Frame3d& frEnt,
-                                const ICurve* pCrv, double& dMinSqDist, Point3d& ptSel) ;
+      bool FindGridSnapPoint( bool bSketch, const Point3d& ptWin) ;
+      bool FindSelectedIntersectionPoint( const Point3d& ptWin, int nW, int nH) ;
+      bool FindSelectedSnapPoint( int nSnap, const Point3d& ptWin, int nW, int nH) ;
+      bool FindCurveSnapPoint( int nSnap, const Point3d& ptWin, int nId, const Frame3d& frEnt,
+                               const ICurve* pCrv, double& dMinSqDist) ;
       bool VerifySnapPoint( const Point3d& ptP, const Point3d& ptWin, double& dMinSqDist) ;
-      bool GetSelectedIntersectionPoint( const Point3d& ptWin, int nW, int nH, Point3d& ptSel) ;
+      bool AdjustForCurveExtr( const Point3d& ptWin, const Frame3d& frEnt, const ICurve* pCrv, Point3d& ptP) ;
+      bool FindCurveCompoSnapPoint( int nSnap, const Point3d& ptWin, int nId, const Frame3d& frEnt,
+                                    const ICurveComposite* pCrvCompo, double& dMinSqDist) ;
+      bool FindSurfTMSnapPoint( int nSnap, const Point3d& ptWin, int nId, const Frame3d& frEnt,
+                                const ISurfTriMesh* pStm, double& dMinSqDist) ;
+      bool FindTextSnapPoint( int nSnap, const Point3d& ptWin, int nId, const Frame3d& frEnt,
+                              const IExtText* pTxt, double& dMinSqDist) ;
 
    private :
      // Basic
@@ -241,6 +252,7 @@ class Scene : public IEGrScene
       SelRec   m_nSelBuff[DIM_SEL_BUF] ;  // buffer per selezione con OpenGL
      // Snap
       int      m_nLastSnapId ;            // Id dell'entità generatrice dell'ultimo punto snap
+      Point3d  m_ptLastSnapPnt ;          // ultimo punto di snap
       bool     m_bLastSnapDirOk ;         // flag validità direzione associata a ultimo punto snap
       Vector3d m_vtLastSnapDir ;          // direzione associata a ultimo punto snap 
      // Geometry

SceneGeom.cpp

@@ -158,9 +158,6 @@ Scene::DrawGroup( const IGdbIterator& iIter, int nPass, const MdStMkCol& cParent
 bool
 Scene::DrawGeoObj( const IGdbIterator& iIter, int nPass, const MdStMkCol& siObj)
 {
-  // valore limite di opacità oltre il quale è considerata completa
-   const int ALPHA_LIM = 90 ;
-
   // recupero l'oggetto geometrico e il suo tipo
    IGeoObj* pGeoObj = (const_cast<IGdbIterator*>(&iIter))->GetGeoObj() ;
    if ( pGeoObj == nullptr)

SceneSelect.cpp

@@ -150,6 +150,17 @@ Scene::GetSelectedObjWinZ( int nSel)
    return 0.5 * ( double( m_nSelBuff[nSel].nZmin) + double( m_nSelBuff[nSel].nZmax)) / UINT_MAX ;
 }
 
+//----------------------------------------------------------------------------
+double
+Scene::GetSelectedObjMinWinZ( int nSel)
+{
+   if ( nSel < 0)
+      nSel = m_nSelCurr ;
+   if ( nSel < 0  ||  nSel >= m_nSelNbr)
+      return 0.5 ;
+   return ( double( m_nSelBuff[nSel].nZmin)) / UINT_MAX ;
+}
+
 /*------------------------------------------------------------------------------------------*/
 bool
 Scene::UnselectableAdd( int nId)